1 /*****************************************************************************
2 * video_output.c : video output thread
4 * This module describes the programming interface for video output threads.
5 * It includes functions allowing to open a new thread, send pictures to a
6 * thread, and destroy a previously oppened video output thread.
7 *****************************************************************************
8 * Copyright (C) 2000-2007 the VideoLAN team
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
27 *****************************************************************************/
29 /*****************************************************************************
31 *****************************************************************************/
36 #include <vlc_common.h>
38 #include <stdlib.h> /* free() */
42 #ifdef HAVE_SYS_TIMES_H
43 # include <sys/times.h>
48 #include <vlc_filter.h>
52 #if defined( __APPLE__ )
53 /* Include darwin_specific.h here if needed */
56 /** FIXME This is quite ugly but needed while we don't have counters
58 //#include "input/input_internal.h"
61 #include <vlc_input.h>
62 #include "vout_pictures.h"
63 #include "vout_internal.h"
65 /*****************************************************************************
67 *****************************************************************************/
68 static int InitThread ( vout_thread_t * );
69 static void* RunThread ( vlc_object_t * );
70 static void ErrorThread ( vout_thread_t * );
71 static void CleanThread ( vout_thread_t * );
72 static void EndThread ( vout_thread_t * );
74 static void AspectRatio ( int, int *, int * );
76 static void VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
77 static void PictureHeapFixRgb( picture_heap_t * );
79 static void vout_Destructor ( vlc_object_t * p_this );
81 /* Object variables callbacks */
82 static int DeinterlaceCallback( vlc_object_t *, char const *,
83 vlc_value_t, vlc_value_t, void * );
84 static int FilterCallback( vlc_object_t *, char const *,
85 vlc_value_t, vlc_value_t, void * );
86 static int VideoFilter2Callback( vlc_object_t *, char const *,
87 vlc_value_t, vlc_value_t, void * );
89 /* From vout_intf.c */
90 int vout_Snapshot( vout_thread_t *, picture_t * );
92 /* Display media title in OSD */
93 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
95 /* Time during which the thread will sleep if it has nothing to
96 * display (in micro-seconds) */
97 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
99 /* Maximum lap of time allowed between the beginning of rendering and
100 * display. If, compared to the current date, the next image is too
101 * late, the thread will perform an idle loop. This time should be
102 * at least VOUT_IDLE_SLEEP plus the time required to render a few
103 * images, to avoid trashing of decoded images */
104 #define VOUT_DISPLAY_DELAY ((int)(0.200*CLOCK_FREQ))
106 /* Better be in advance when awakening than late... */
107 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
109 /* Minimum number of direct pictures the video output will accept without
110 * creating additional pictures in system memory */
111 #ifdef OPTIMIZE_MEMORY
112 # define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
114 # define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
117 /*****************************************************************************
118 * Video Filter2 functions
119 *****************************************************************************/
120 static picture_t *video_new_buffer_filter( filter_t *p_filter )
122 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
123 picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
125 p_picture->i_status = READY_PICTURE;
130 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
132 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
134 vlc_mutex_lock( &p_vout->picture_lock );
135 vout_UsePictureLocked( p_vout, p_pic );
136 vlc_mutex_unlock( &p_vout->picture_lock );
139 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
141 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
142 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
143 p_filter->p_owner = p_data; /* p_vout */
147 /*****************************************************************************
148 * vout_Request: find a video output thread, create one, or destroy one.
149 *****************************************************************************
150 * This function looks for a video output thread matching the current
151 * properties. If not found, it spawns a new one.
152 *****************************************************************************/
153 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
154 video_format_t *p_fmt )
156 const bool b_vout_provided = p_vout != NULL;
159 /* Video output is no longer used.
160 * TODO: support for reusing video outputs with proper _thread-safe_
161 * reference handling. */
163 vout_CloseAndRelease( p_vout );
167 /* If a video output was provided, lock it, otherwise look for one. */
170 vlc_object_hold( p_vout );
173 /* TODO: find a suitable unused video output */
175 /* If we now have a video output, check it has the right properties */
178 char *psz_filter_chain;
181 vlc_mutex_lock( &p_vout->change_lock );
183 /* We don't directly check for the "vout-filter" variable for obvious
184 * performance reasons. */
185 if( p_vout->p->b_filter_change )
187 var_Get( p_vout, "vout-filter", &val );
188 psz_filter_chain = val.psz_string;
190 if( psz_filter_chain && !*psz_filter_chain )
192 free( psz_filter_chain );
193 psz_filter_chain = NULL;
195 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
197 free( p_vout->p->psz_filter_chain );
198 p_vout->p->psz_filter_chain = NULL;
201 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
203 p_vout->p->b_filter_change = false;
206 free( psz_filter_chain );
209 if( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ||
210 p_vout->fmt_render.i_width != p_fmt->i_width ||
211 p_vout->fmt_render.i_height != p_fmt->i_height ||
212 p_vout->p->b_filter_change )
214 vlc_mutex_unlock( &p_vout->change_lock );
216 /* We are not interested in this format, close this vout */
217 vout_CloseAndRelease( p_vout );
218 vlc_object_release( p_vout );
223 /* This video output is cool! Hijack it. */
224 if( p_vout->fmt_render.i_aspect != p_fmt->i_aspect )
226 /* Correct aspect ratio on change
227 * FIXME factorize this code with other aspect ration related code */
228 unsigned int i_sar_num;
229 unsigned int i_sar_den;
230 unsigned int i_aspect;
232 i_aspect = p_fmt->i_aspect;
233 vlc_ureduce( &i_sar_num, &i_sar_den,
234 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
236 /* What's that, it does not seems to be used correcly everywhere
237 * beside the previous p_vout->fmt_render.i_aspect != p_fmt->i_aspect
238 * should be fixed to use it too then */
239 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
241 i_sar_num *= p_vout->i_par_den;
242 i_sar_den *= p_vout->i_par_num;
243 i_aspect = i_aspect * p_vout->i_par_den / p_vout->i_par_num;
247 if( i_sar_num > 0 && i_sar_den > 0 && i_aspect > 0 )
249 p_vout->fmt_in.i_sar_num = i_sar_num;
250 p_vout->fmt_in.i_sar_den = i_sar_den;
251 p_vout->fmt_in.i_aspect = i_aspect;
253 p_vout->fmt_render.i_sar_num = i_sar_num;
254 p_vout->fmt_render.i_sar_den = i_sar_den;
255 p_vout->fmt_render.i_aspect = i_aspect;
257 p_vout->render.i_aspect = i_aspect;
259 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
263 vlc_mutex_unlock( &p_vout->change_lock );
265 vlc_object_release( p_vout );
270 msg_Dbg( p_this, "reusing provided vout" );
272 spu_Attach( p_vout->p_spu, p_this, true );
274 vlc_object_detach( p_vout );
275 vlc_object_attach( p_vout, p_this );
277 /* Display title if we are not using the vout given to vout_Request.
278 * XXX for now b_vout_provided is always true at this stage */
279 if( p_vout->p->b_title_show && !b_vout_provided )
280 DisplayTitleOnOSD( p_vout );
286 msg_Dbg( p_this, "no usable vout present, spawning one" );
288 p_vout = vout_Create( p_this, p_fmt );
294 /*****************************************************************************
295 * vout_Create: creates a new video output thread
296 *****************************************************************************
297 * This function creates a new video output thread, and returns a pointer
298 * to its description. On error, it returns NULL.
299 *****************************************************************************/
300 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
302 vout_thread_t * p_vout; /* thread descriptor */
303 int i_index; /* loop variable */
304 vlc_value_t val, text;
306 unsigned int i_width = p_fmt->i_width;
307 unsigned int i_height = p_fmt->i_height;
308 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
309 unsigned int i_aspect = p_fmt->i_aspect;
311 config_chain_t *p_cfg;
315 if( i_width <= 0 || i_height <= 0 || i_aspect <= 0 )
318 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
319 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
320 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
323 /* Allocate descriptor */
324 static const char typename[] = "video output";
325 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
331 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
334 vlc_object_release( p_vout );
338 /* Initialize pictures - translation tables and functions
339 * will be initialized later in InitThread */
340 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
342 p_vout->p_picture[i_index].pf_lock = NULL;
343 p_vout->p_picture[i_index].pf_unlock = NULL;
344 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
345 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
346 p_vout->p_picture[i_index].b_slow = 0;
349 /* No images in the heap */
350 p_vout->i_heap_size = 0;
352 /* Initialize the rendering heap */
353 I_RENDERPICTURES = 0;
355 p_vout->fmt_render = *p_fmt; /* FIXME palette */
356 p_vout->fmt_in = *p_fmt; /* FIXME palette */
358 p_vout->render.i_width = i_width;
359 p_vout->render.i_height = i_height;
360 p_vout->render.i_chroma = i_chroma;
361 p_vout->render.i_aspect = i_aspect;
363 p_vout->render.i_rmask = p_fmt->i_rmask;
364 p_vout->render.i_gmask = p_fmt->i_gmask;
365 p_vout->render.i_bmask = p_fmt->i_bmask;
367 p_vout->render.i_last_used_pic = -1;
368 p_vout->render.b_allow_modify_pics = 1;
370 /* Zero the output heap */
371 I_OUTPUTPICTURES = 0;
372 p_vout->output.i_width = 0;
373 p_vout->output.i_height = 0;
374 p_vout->output.i_chroma = 0;
375 p_vout->output.i_aspect = 0;
377 p_vout->output.i_rmask = 0;
378 p_vout->output.i_gmask = 0;
379 p_vout->output.i_bmask = 0;
381 /* Initialize misc stuff */
382 p_vout->i_changes = 0;
384 p_vout->b_fullscreen = 0;
385 p_vout->i_alignment = 0;
386 p_vout->p->render_time = 10;
387 p_vout->p->c_fps_samples = 0;
388 p_vout->p->i_picture_lost = 0;
389 p_vout->p->i_picture_displayed = 0;
390 p_vout->p->b_filter_change = 0;
391 p_vout->p->b_paused = false;
392 p_vout->p->i_pause_date = 0;
393 p_vout->pf_control = NULL;
394 p_vout->p_window = NULL;
395 p_vout->p->i_par_num =
396 p_vout->p->i_par_den = 1;
397 p_vout->p->p_picture_displayed = NULL;
398 p_vout->p->i_picture_displayed_date = 0;
399 p_vout->p->b_picture_displayed = false;
400 p_vout->p->b_picture_empty = false;
402 /* Initialize locks */
403 vlc_mutex_init( &p_vout->picture_lock );
404 vlc_cond_init( &p_vout->p->picture_wait );
405 vlc_mutex_init( &p_vout->change_lock );
406 vlc_mutex_init( &p_vout->p->vfilter_lock );
408 /* Mouse coordinates */
409 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
410 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
411 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
412 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
413 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
415 /* Initialize subpicture unit */
416 p_vout->p_spu = spu_Create( p_vout );
417 spu_Attach( p_vout->p_spu, p_parent, true );
419 /* Attach the new object now so we can use var inheritance below */
420 vlc_object_attach( p_vout, p_parent );
422 spu_Init( p_vout->p_spu );
424 /* Take care of some "interface/control" related initialisations */
425 vout_IntfInit( p_vout );
427 /* If the parent is not a VOUT object, that means we are at the start of
428 * the video output pipe */
429 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
431 /* Look for the default filter configuration */
432 p_vout->p->psz_filter_chain =
433 var_CreateGetStringCommand( p_vout, "vout-filter" );
435 /* Apply video filter2 objects on the first vout */
437 var_CreateGetStringCommand( p_vout, "video-filter" );
441 /* continue the parent's filter chain */
444 /* Ugly hack to jump to our configuration chain */
445 p_vout->p->psz_filter_chain
446 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
447 p_vout->p->psz_filter_chain
448 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
449 config_ChainDestroy( p_cfg );
452 /* Create a video filter2 var ... but don't inherit values */
453 var_Create( p_vout, "video-filter",
454 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
455 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
458 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
459 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
460 false, video_filter_buffer_allocation_init, NULL, p_vout );
462 /* Choose the video output module */
463 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
465 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
466 var_Get( p_vout, "vout", &val );
467 psz_parser = val.psz_string;
471 psz_parser = strdup( p_vout->p->psz_filter_chain );
472 p_vout->p->b_title_show = false;
475 /* Create the vout thread */
476 char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
479 p_vout->p_cfg = p_cfg;
480 p_vout->p_module = module_need( p_vout,
481 ( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain ) ?
482 "video filter" : "video output", psz_name, p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain );
485 if( p_vout->p_module == NULL )
487 msg_Err( p_vout, "no suitable vout module" );
488 vlc_object_set_destructor( p_vout, vout_Destructor );
489 vlc_object_release( p_vout );
493 /* Create a few object variables for interface interaction */
494 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
495 text.psz_string = _("Deinterlace");
496 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
497 val.psz_string = (char *)""; text.psz_string = _("Disable");
498 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
499 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
500 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
501 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
502 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
503 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
504 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
505 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
506 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
507 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
508 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
509 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
510 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
512 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
514 var_Set( p_vout, "deinterlace", val );
515 free( val.psz_string );
517 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
519 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
520 text.psz_string = _("Filters");
521 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
522 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
524 if( vlc_thread_create( p_vout, "video output", RunThread,
525 VLC_THREAD_PRIORITY_OUTPUT, true ) )
527 module_unneed( p_vout, p_vout->p_module );
528 p_vout->p_module = NULL;
529 vlc_object_set_destructor( p_vout, vout_Destructor );
530 vlc_object_release( p_vout );
534 vlc_object_set_destructor( p_vout, vout_Destructor );
536 if( p_vout->b_error )
538 msg_Err( p_vout, "video output creation failed" );
539 vout_CloseAndRelease( p_vout );
546 /*****************************************************************************
547 * vout_Close: Close a vout created by vout_Create.
548 *****************************************************************************
549 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
550 * You should NEVER call it on vout not obtained through vout_Create
551 * (like with vout_Request or vlc_object_find.)
552 * You can use vout_CloseAndRelease() as a convenient method.
553 *****************************************************************************/
554 void vout_Close( vout_thread_t *p_vout )
558 vlc_object_kill( p_vout );
559 vlc_thread_join( p_vout );
560 module_unneed( p_vout, p_vout->p_module );
561 p_vout->p_module = NULL;
565 static void vout_Destructor( vlc_object_t * p_this )
567 vout_thread_t *p_vout = (vout_thread_t *)p_this;
569 /* Make sure the vout was stopped first */
570 assert( !p_vout->p_module );
573 spu_Destroy( p_vout->p_spu );
575 /* Destroy the locks */
576 vlc_cond_destroy( &p_vout->p->picture_wait );
577 vlc_mutex_destroy( &p_vout->picture_lock );
578 vlc_mutex_destroy( &p_vout->change_lock );
579 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
581 free( p_vout->p->psz_filter_chain );
583 config_ChainDestroy( p_vout->p_cfg );
588 vout_thread_t *p_another_vout;
590 /* This is a dirty hack mostly for Linux, where there is no way to get the
591 * GUI back if you closed it while playing video. This is solved in
592 * Mac OS X, where we have this novelty called menubar, that will always
593 * allow you access to the applications main functionality. They should try
594 * that on linux sometime. */
595 p_another_vout = vlc_object_find( p_this->p_libvlc,
596 VLC_OBJECT_VOUT, FIND_ANYWHERE );
597 if( p_another_vout == NULL )
598 var_SetBool( p_this->p_libvlc, "intf-show", true );
600 vlc_object_release( p_another_vout );
605 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
607 vlc_object_lock( p_vout );
609 assert( !p_vout->p->b_paused || !b_paused );
611 vlc_mutex_lock( &p_vout->picture_lock );
613 p_vout->p->i_picture_displayed_date = 0;
615 if( p_vout->p->b_paused )
617 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
619 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
621 picture_t *p_pic = PP_RENDERPICTURE[i_index];
623 if( p_pic->i_status == READY_PICTURE )
624 p_pic->date += i_duration;
626 vlc_cond_signal( &p_vout->p->picture_wait );
627 vlc_mutex_unlock( &p_vout->picture_lock );
629 spu_OffsetSubtitleDate( p_vout->p_spu, i_duration );
633 vlc_mutex_unlock( &p_vout->picture_lock );
635 p_vout->p->b_paused = b_paused;
636 p_vout->p->i_pause_date = i_date;
638 vlc_object_unlock( p_vout );
640 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
642 vlc_object_lock( p_vout );
644 *pi_displayed = p_vout->p->i_picture_displayed;
645 *pi_lost = p_vout->p->i_picture_lost;
647 p_vout->p->i_picture_displayed = 0;
648 p_vout->p->i_picture_lost = 0;
650 vlc_object_unlock( p_vout );
652 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
654 vlc_mutex_lock( &p_vout->picture_lock );
655 p_vout->p->i_picture_displayed_date = 0;
656 for( int i = 0; i < p_vout->render.i_pictures; i++ )
658 picture_t *p_pic = p_vout->render.pp_picture[i];
660 if( p_pic->i_status == READY_PICTURE ||
661 p_pic->i_status == DISPLAYED_PICTURE )
663 /* We cannot change picture status if it is in READY_PICTURE state,
664 * Just make sure they won't be displayed */
665 if( p_pic->date > i_date )
666 p_pic->date = i_date;
669 vlc_cond_signal( &p_vout->p->picture_wait );
670 vlc_mutex_unlock( &p_vout->picture_lock );
672 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
674 int i_pic, i_ready_pic;
676 vlc_mutex_lock( &p_vout->picture_lock );
678 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
680 const picture_t *p_pic = p_vout->render.pp_picture[i_pic];
682 if( p_pic->i_status == READY_PICTURE )
685 /* If we have at least 2 ready pictures, wait for the vout thread to
687 if( i_ready_pic >= 2 )
693 if( p_pic->i_status == DISPLAYED_PICTURE )
695 /* If at least one displayed picture is not referenced
696 * let vout free it */
697 if( p_pic->i_refcount == 0 )
701 if( i_pic < p_vout->render.i_pictures && !b_forced )
703 vlc_mutex_unlock( &p_vout->picture_lock );
707 /* Too many pictures are still referenced, there is probably a bug
708 * with the decoder */
710 msg_Err( p_vout, "pictures leaked, resetting the heap" );
712 /* Just free all the pictures */
713 for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
715 picture_t *p_pic = p_vout->render.pp_picture[i_pic];
717 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
718 p_pic->i_refcount = 0;
719 vout_UsePictureLocked( p_vout, p_pic );
721 vlc_cond_signal( &p_vout->p->picture_wait );
722 vlc_mutex_unlock( &p_vout->picture_lock );
724 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
726 vlc_mutex_lock( &p_vout->picture_lock );
728 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
730 p_vout->p->b_picture_displayed = false;
731 p_vout->p->b_picture_empty = false;
732 if( p_vout->p->p_picture_displayed )
734 p_vout->p->p_picture_displayed->date = 1;
735 vlc_cond_signal( &p_vout->p->picture_wait );
738 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
739 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );
741 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
743 /* TODO advance subpicture by the duration ... */
745 vlc_mutex_unlock( &p_vout->picture_lock );
748 /*****************************************************************************
749 * InitThread: initialize video output thread
750 *****************************************************************************
751 * This function is called from RunThread and performs the second step of the
752 * initialization. It returns 0 on success. Note that the thread's flag are not
753 * modified inside this function.
754 * XXX You have to enter it with change_lock taken.
755 *****************************************************************************/
756 static int ChromaCreate( vout_thread_t *p_vout );
757 static void ChromaDestroy( vout_thread_t *p_vout );
759 static bool ChromaIsEqual( const picture_heap_t *p_output, const picture_heap_t *p_render )
761 if( !vout_ChromaCmp( p_output->i_chroma, p_render->i_chroma ) )
764 if( p_output->i_chroma != FOURCC_RV15 &&
765 p_output->i_chroma != FOURCC_RV16 &&
766 p_output->i_chroma != FOURCC_RV24 &&
767 p_output->i_chroma != FOURCC_RV32 )
770 return p_output->i_rmask == p_render->i_rmask &&
771 p_output->i_gmask == p_render->i_gmask &&
772 p_output->i_bmask == p_render->i_bmask;
775 static int InitThread( vout_thread_t *p_vout )
777 int i, i_aspect_x, i_aspect_y;
779 /* Initialize output method, it allocates direct buffers for us */
780 if( p_vout->pf_init( p_vout ) )
783 p_vout->p->p_picture_displayed = NULL;
785 if( !I_OUTPUTPICTURES )
787 msg_Err( p_vout, "plugin was unable to allocate at least "
788 "one direct buffer" );
789 p_vout->pf_end( p_vout );
793 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
795 msg_Err( p_vout, "plugin allocated too many direct buffers, "
796 "our internal buffers must have overflown." );
797 p_vout->pf_end( p_vout );
801 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
803 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
805 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
806 "chroma %4.4s, ar %i:%i, sar %i:%i",
807 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
808 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
809 p_vout->fmt_render.i_visible_width,
810 p_vout->fmt_render.i_visible_height,
811 (char*)&p_vout->fmt_render.i_chroma,
812 i_aspect_x, i_aspect_y,
813 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
815 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
817 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
818 "chroma %4.4s, ar %i:%i, sar %i:%i",
819 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
820 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
821 p_vout->fmt_in.i_visible_width,
822 p_vout->fmt_in.i_visible_height,
823 (char*)&p_vout->fmt_in.i_chroma,
824 i_aspect_x, i_aspect_y,
825 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
827 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
829 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
830 p_vout->output.i_width;
831 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
832 p_vout->output.i_height;
833 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
835 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
836 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
838 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
840 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
841 p_vout->fmt_out.i_height;
842 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
843 p_vout->fmt_out.i_width;
846 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
847 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
849 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
851 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
852 "chroma %4.4s, ar %i:%i, sar %i:%i",
853 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
854 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
855 p_vout->fmt_out.i_visible_width,
856 p_vout->fmt_out.i_visible_height,
857 (char*)&p_vout->fmt_out.i_chroma,
858 i_aspect_x, i_aspect_y,
859 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
861 /* FIXME removed the need of both fmt_* and heap infos */
862 /* Calculate shifts from system-updated masks */
863 PictureHeapFixRgb( &p_vout->render );
864 VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );
866 PictureHeapFixRgb( &p_vout->output );
867 VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
869 /* Check whether we managed to create direct buffers similar to
870 * the render buffers, ie same size and chroma */
871 if( ( p_vout->output.i_width == p_vout->render.i_width )
872 && ( p_vout->output.i_height == p_vout->render.i_height )
873 && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
875 /* Cool ! We have direct buffers, we can ask the decoder to
876 * directly decode into them ! Map the first render buffers to
877 * the first direct buffers, but keep the first direct buffer
878 * for memcpy operations */
879 p_vout->p->b_direct = true;
881 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
883 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
884 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
885 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
887 /* We have enough direct buffers so there's no need to
888 * try to use system memory buffers. */
891 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
895 msg_Dbg( p_vout, "direct render, mapping "
896 "render pictures 0-%i to system pictures 1-%i",
897 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
901 /* Rats... Something is wrong here, we could not find an output
902 * plugin able to directly render what we decode. See if we can
903 * find a chroma plugin to do the conversion */
904 p_vout->p->b_direct = false;
906 if( ChromaCreate( p_vout ) )
908 p_vout->pf_end( p_vout );
912 msg_Dbg( p_vout, "indirect render, mapping "
913 "render pictures 0-%i to system pictures %i-%i",
914 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
915 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
917 /* Append render buffers after the direct buffers */
918 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
920 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
923 /* Check if we have enough render pictures */
924 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
929 /* Link pictures back to their heap */
930 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
932 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
935 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
937 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
943 /*****************************************************************************
944 * RunThread: video output thread
945 *****************************************************************************
946 * Video output thread. This function does only returns when the thread is
947 * terminated. It handles the pictures arriving in the video heap and the
948 * display device events.
949 *****************************************************************************/
950 static void* RunThread( vlc_object_t *p_this )
952 vout_thread_t *p_vout = (vout_thread_t *)p_this;
953 int i_idle_loops = 0; /* loops without displaying a picture */
957 int canc = vlc_savecancel();
962 vlc_mutex_lock( &p_vout->change_lock );
963 p_vout->b_error = InitThread( p_vout );
965 b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
967 /* signal the creation of the vout */
968 vlc_thread_ready( p_vout );
970 if( p_vout->b_error )
973 vlc_mutex_unlock( &p_vout->change_lock );
974 vlc_restorecancel( canc );
978 vlc_object_lock( p_vout );
980 if( p_vout->p->b_title_show )
981 DisplayTitleOnOSD( p_vout );
984 * Main loop - it is not executed if an error occurred during
987 while( vlc_object_alive( p_vout ) && !p_vout->b_error )
989 /* Initialize loop variables */
990 const mtime_t current_date = mdate();
991 picture_t *p_picture;
992 picture_t *p_filtered_picture;
993 mtime_t display_date;
994 picture_t *p_directbuffer;
997 vlc_mutex_lock( &p_vout->picture_lock );
999 /* Look for the earliest picture but after the last displayed one */
1000 picture_t *p_last = p_vout->p->p_picture_displayed;;
1003 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
1005 picture_t *p_pic = PP_RENDERPICTURE[i_index];
1007 if( p_pic->i_status != READY_PICTURE )
1010 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
1013 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
1015 /* Drop old picture */
1016 vout_UsePictureLocked( p_vout, p_pic );
1018 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
1019 p_pic->date < current_date + p_vout->p->render_time &&
1022 /* Picture is late: it will be destroyed and the thread
1023 * will directly choose the next picture */
1024 vout_UsePictureLocked( p_vout, p_pic );
1025 p_vout->p->i_picture_lost++;
1027 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
1028 current_date - p_pic->date );
1030 else if( ( !p_last || p_last->date < p_pic->date ) &&
1031 ( p_picture == NULL || p_pic->date < p_picture->date ) )
1040 if( !p_vout->p->b_picture_empty )
1042 p_vout->p->b_picture_empty = true;
1043 vlc_cond_signal( &p_vout->p->picture_wait );
1050 display_date = p_picture->date;
1052 /* If we found better than the last picture, destroy it */
1053 if( p_last && p_picture != p_last )
1055 vout_UsePictureLocked( p_vout, p_last );
1056 p_vout->p->p_picture_displayed = p_last = NULL;
1059 /* Compute FPS rate */
1060 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
1062 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1064 /* A picture is ready to be rendered, but its rendering date
1065 * is far from the current one so the thread will perform an
1066 * empty loop as if no picture were found. The picture state
1071 else if( p_picture == p_last )
1073 /* We are asked to repeat the previous picture, but we first
1074 * wait for a couple of idle loops */
1075 if( i_idle_loops < 4 )
1082 /* We set the display date to something high, otherwise
1083 * we'll have lots of problems with late pictures */
1084 display_date = current_date + p_vout->p->render_time;
1087 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1089 display_date = current_date + VOUT_DISPLAY_DELAY;
1094 if( p_picture->date > 1 )
1096 p_vout->p->i_picture_displayed_date = p_picture->date;
1097 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
1099 p_vout->p->b_picture_displayed = true;
1100 vlc_cond_signal( &p_vout->p->picture_wait );
1103 p_vout->p->p_picture_displayed = p_picture;
1106 vlc_mutex_unlock( &p_vout->picture_lock );
1108 if( p_picture == NULL )
1111 p_filtered_picture = NULL;
1113 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1116 /* FIXME it is ugly that b_snapshot is not locked but I do not
1117 * know which lock to use (here and in the snapshot callback) */
1118 const bool b_snapshot = p_vout->p->b_snapshot && p_picture != NULL;
1121 * Check for subpictures to display
1123 subpicture_t *p_subpic = NULL;
1124 if( display_date > 0 )
1125 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
1126 p_vout->p->b_paused, b_snapshot );
1131 p_vout->p->i_picture_displayed++;
1132 p_directbuffer = vout_RenderPicture( p_vout, p_filtered_picture,
1133 p_subpic, p_vout->p->b_paused );
1136 * Take a snapshot if requested
1138 if( p_directbuffer && b_snapshot )
1140 /* FIXME lock (see b_snapshot) */
1141 p_vout->p->b_snapshot = false;
1143 vout_Snapshot( p_vout, p_directbuffer );
1147 * Call the plugin-specific rendering method if there is one
1149 if( p_filtered_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1151 /* Render the direct buffer returned by vout_RenderPicture */
1152 p_vout->pf_render( p_vout, p_directbuffer );
1158 if( display_date != 0 && p_directbuffer != NULL )
1160 mtime_t current_render_time = mdate() - current_date;
1161 /* if render time is very large we don't include it in the mean */
1162 if( current_render_time < p_vout->p->render_time +
1163 VOUT_DISPLAY_DELAY )
1165 /* Store render time using a sliding mean weighting to
1166 * current value in a 3 to 1 ratio*/
1167 p_vout->p->render_time *= 3;
1168 p_vout->p->render_time += current_render_time;
1169 p_vout->p->render_time >>= 2;
1173 /* Give back change lock */
1174 vlc_mutex_unlock( &p_vout->change_lock );
1176 vlc_object_unlock( p_vout );
1178 /* Sleep a while or until a given date */
1179 if( display_date != 0 )
1181 /* If there are *vout* filters in the chain, better give them the picture
1183 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1185 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1190 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1191 vlc_mutex_lock( &p_vout->picture_lock );
1192 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
1193 vlc_mutex_unlock( &p_vout->picture_lock );
1196 /* On awakening, take back lock and send immediately picture
1198 vlc_object_lock( p_vout );
1199 /* Note: vlc_object_alive() could be false here, and we
1201 vlc_mutex_lock( &p_vout->change_lock );
1204 * Display the previously rendered picture
1206 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1208 /* Display the direct buffer returned by vout_RenderPicture */
1209 if( p_vout->pf_display )
1210 p_vout->pf_display( p_vout, p_directbuffer );
1212 /* Tell the vout this was the last picture and that it does not
1213 * need to be forced anymore. */
1214 p_picture->b_force = false;
1217 /* Drop the filtered picture if created by video filters */
1218 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1220 vlc_mutex_lock( &p_vout->picture_lock );
1221 vout_UsePictureLocked( p_vout, p_filtered_picture );
1222 vlc_mutex_unlock( &p_vout->picture_lock );
1225 if( p_picture != NULL )
1227 /* Reinitialize idle loop count */
1232 * Check events and manage thread
1234 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1236 /* A fatal error occurred, and the thread must terminate
1237 * immediately, without displaying anything - setting b_error to 1
1238 * causes the immediate end of the main while() loop. */
1240 p_vout->b_error = 1;
1244 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1246 /* this must only happen when the vout plugin is incapable of
1247 * rescaling the picture itself. In this case we need to destroy
1248 * the current picture buffers and recreate new ones with the right
1252 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1254 assert( !p_vout->p->b_direct );
1256 ChromaDestroy( p_vout );
1258 vlc_mutex_lock( &p_vout->picture_lock );
1260 p_vout->pf_end( p_vout );
1262 p_vout->p->p_picture_displayed = NULL;
1263 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1264 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1265 vlc_cond_signal( &p_vout->p->picture_wait );
1267 I_OUTPUTPICTURES = 0;
1269 if( p_vout->pf_init( p_vout ) )
1271 msg_Err( p_vout, "cannot resize display" );
1272 /* FIXME: pf_end will be called again in EndThread() */
1273 p_vout->b_error = 1;
1276 vlc_mutex_unlock( &p_vout->picture_lock );
1278 /* Need to reinitialise the chroma plugin. Since we might need
1279 * resizing too and it's not sure that we already had it,
1280 * recreate the chroma plugin chain from scratch. */
1282 if( ChromaCreate( p_vout ) )
1284 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1285 p_vout->b_error = 1;
1287 if( p_vout->b_error )
1291 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1293 /* This happens when the picture buffers need to be recreated.
1294 * This is useful on multimonitor displays for instance.
1296 * Warning: This only works when the vout creates only 1 picture
1298 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1300 if( !p_vout->p->b_direct )
1301 ChromaDestroy( p_vout );
1303 vlc_mutex_lock( &p_vout->picture_lock );
1305 p_vout->pf_end( p_vout );
1307 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1309 p_vout->b_error = InitThread( p_vout );
1310 if( p_vout->b_error )
1311 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed\n" );
1313 vlc_cond_signal( &p_vout->p->picture_wait );
1314 vlc_mutex_unlock( &p_vout->picture_lock );
1316 if( p_vout->b_error )
1320 /* Check for "video filter2" changes */
1321 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1322 if( p_vout->p->psz_vf2 )
1326 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1327 fmt.video = p_vout->fmt_render;
1328 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1330 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1331 p_vout->p->psz_vf2 ) < 0 )
1332 msg_Err( p_vout, "Video filter chain creation failed" );
1334 free( p_vout->p->psz_vf2 );
1335 p_vout->p->psz_vf2 = NULL;
1337 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1341 * Error loop - wait until the thread destruction is requested
1343 if( p_vout->b_error )
1344 ErrorThread( p_vout );
1347 CleanThread( p_vout );
1348 EndThread( p_vout );
1349 vlc_mutex_unlock( &p_vout->change_lock );
1351 vlc_object_unlock( p_vout );
1352 vlc_restorecancel( canc );
1356 /*****************************************************************************
1357 * ErrorThread: RunThread() error loop
1358 *****************************************************************************
1359 * This function is called when an error occurred during thread main's loop.
1360 * The thread can still receive feed, but must be ready to terminate as soon
1362 *****************************************************************************/
1363 static void ErrorThread( vout_thread_t *p_vout )
1365 /* Wait until a `die' order */
1366 while( vlc_object_alive( p_vout ) )
1367 vlc_object_wait( p_vout );
1370 /*****************************************************************************
1371 * CleanThread: clean up after InitThread
1372 *****************************************************************************
1373 * This function is called after a sucessful
1374 * initialization. It frees all resources allocated by InitThread.
1375 * XXX You have to enter it with change_lock taken.
1376 *****************************************************************************/
1377 static void CleanThread( vout_thread_t *p_vout )
1379 int i_index; /* index in heap */
1381 if( !p_vout->p->b_direct )
1382 ChromaDestroy( p_vout );
1384 /* Destroy all remaining pictures */
1385 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1387 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1389 free( p_vout->p_picture[i_index].p_data_orig );
1393 /* Destroy translation tables */
1394 if( !p_vout->b_error )
1395 p_vout->pf_end( p_vout );
1398 /*****************************************************************************
1399 * EndThread: thread destruction
1400 *****************************************************************************
1401 * This function is called when the thread ends.
1402 * It frees all resources not allocated by InitThread.
1403 * XXX You have to enter it with change_lock taken.
1404 *****************************************************************************/
1405 static void EndThread( vout_thread_t *p_vout )
1409 struct tms cpu_usage;
1410 times( &cpu_usage );
1412 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1413 cpu_usage.tms_utime, cpu_usage.tms_stime );
1417 /* FIXME does that function *really* need to be called inside the thread ? */
1419 /* Detach subpicture unit from both input and vout */
1420 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1421 vlc_object_detach( p_vout->p_spu );
1423 /* Destroy the video filters2 */
1424 filter_chain_Delete( p_vout->p->p_vf2_chain );
1427 /* Thread helpers */
1428 static picture_t *ChromaGetPicture( filter_t *p_filter )
1430 picture_t *p_pic = (picture_t *)p_filter->p_owner;
1431 p_filter->p_owner = NULL;
1435 static int ChromaCreate( vout_thread_t *p_vout )
1437 static const char typename[] = "chroma";
1440 /* Choose the best module */
1441 p_chroma = p_vout->p->p_chroma =
1442 vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
1445 vlc_object_attach( p_chroma, p_vout );
1447 /* TODO: Set the fmt_in and fmt_out stuff here */
1448 p_chroma->fmt_in.video = p_vout->fmt_render;
1449 p_chroma->fmt_out.video = p_vout->fmt_out;
1450 VideoFormatImportRgb( &p_chroma->fmt_in.video, &p_vout->render );
1451 VideoFormatImportRgb( &p_chroma->fmt_out.video, &p_vout->output );
1453 p_chroma->p_module = module_need( p_chroma, "video filter2", NULL, false );
1455 if( p_chroma->p_module == NULL )
1457 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1458 (char*)&p_vout->render.i_chroma,
1459 (char*)&p_vout->output.i_chroma,
1460 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
1461 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
1464 vlc_object_release( p_vout->p->p_chroma );
1465 p_vout->p->p_chroma = NULL;
1467 return VLC_EGENERIC;
1469 p_chroma->pf_vout_buffer_new = ChromaGetPicture;
1473 static void ChromaDestroy( vout_thread_t *p_vout )
1475 assert( !p_vout->p->b_direct );
1477 if( !p_vout->p->p_chroma )
1480 module_unneed( p_vout->p->p_chroma, p_vout->p->p_chroma->p_module );
1481 vlc_object_release( p_vout->p->p_chroma );
1482 p_vout->p->p_chroma = NULL;
1485 /* following functions are local */
1486 static int ReduceHeight( int i_ratio )
1488 int i_dummy = VOUT_ASPECT_FACTOR;
1496 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1497 while( !(i_ratio & 1) && !(i_dummy & 1) )
1504 while( !(i_ratio % 3) && !(i_dummy % 3) )
1511 while( !(i_ratio % 5) && !(i_dummy % 5) )
1521 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1523 unsigned int i_pgcd = ReduceHeight( i_aspect );
1524 *i_aspect_x = i_aspect / i_pgcd;
1525 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1529 * This function copies all RGB informations from a picture_heap_t into
1532 static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1534 p_fmt->i_rmask = p_heap->i_rmask;
1535 p_fmt->i_gmask = p_heap->i_gmask;
1536 p_fmt->i_bmask = p_heap->i_bmask;
1537 p_fmt->i_rrshift = p_heap->i_rrshift;
1538 p_fmt->i_lrshift = p_heap->i_lrshift;
1539 p_fmt->i_rgshift = p_heap->i_rgshift;
1540 p_fmt->i_lgshift = p_heap->i_lgshift;
1541 p_fmt->i_rbshift = p_heap->i_rbshift;
1542 p_fmt->i_lbshift = p_heap->i_lbshift;
1546 * This funtion copes all RGB informations from a video_format_t into
1549 static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
1551 p_heap->i_rmask = p_fmt->i_rmask;
1552 p_heap->i_gmask = p_fmt->i_gmask;
1553 p_heap->i_bmask = p_fmt->i_bmask;
1554 p_heap->i_rrshift = p_fmt->i_rrshift;
1555 p_heap->i_lrshift = p_fmt->i_lrshift;
1556 p_heap->i_rgshift = p_fmt->i_rgshift;
1557 p_heap->i_lgshift = p_fmt->i_lgshift;
1558 p_heap->i_rbshift = p_fmt->i_rbshift;
1559 p_heap->i_lbshift = p_fmt->i_lbshift;
1563 * This function computes rgb shifts from masks
1565 static void PictureHeapFixRgb( picture_heap_t *p_heap )
1570 fmt.i_chroma = p_heap->i_chroma;
1571 VideoFormatImportRgb( &fmt, p_heap );
1574 video_format_FixRgb( &fmt );
1576 VideoFormatExportRgb( &fmt, p_heap );
1579 /*****************************************************************************
1580 * object variables callbacks: a bunch of object variables are used by the
1581 * interfaces to interact with the vout.
1582 *****************************************************************************/
1583 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1584 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1586 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1587 input_thread_t *p_input;
1590 char *psz_mode = newval.psz_string;
1591 char *psz_filter, *psz_deinterlace = NULL;
1592 (void)psz_cmd; (void)oldval; (void)p_data;
1594 var_Get( p_vout, "vout-filter", &val );
1595 psz_filter = val.psz_string;
1596 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1598 if( !psz_mode || !*psz_mode )
1600 if( psz_deinterlace )
1602 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1603 if( psz_src[0] == ':' ) psz_src++;
1604 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1607 else if( !psz_deinterlace )
1609 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1610 sizeof(":deinterlace") );
1614 strcat( psz_filter, ":" );
1615 strcat( psz_filter, "deinterlace" );
1619 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1624 return VLC_EGENERIC;
1627 if( psz_mode && *psz_mode )
1629 /* Modify input as well because the vout might have to be restarted */
1630 val.psz_string = psz_mode;
1631 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1632 var_Set( p_input, "deinterlace-mode", val );
1634 vlc_object_release( p_input );
1637 var_Set( p_vout, "intf-change", val );
1639 val.psz_string = psz_filter;
1640 var_Set( p_vout, "vout-filter", val );
1646 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1647 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1649 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1650 input_thread_t *p_input;
1652 (void)psz_cmd; (void)oldval; (void)p_data;
1654 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1658 msg_Err( p_vout, "Input not found" );
1659 return( VLC_EGENERIC );
1663 var_Set( p_vout, "intf-change", val );
1665 /* Modify input as well because the vout might have to be restarted */
1666 val.psz_string = newval.psz_string;
1667 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1669 var_Set( p_input, "vout-filter", val );
1671 /* Now restart current video stream */
1672 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1673 vlc_object_release( p_input );
1678 /*****************************************************************************
1679 * Video Filter2 stuff
1680 *****************************************************************************/
1681 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1682 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1684 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1685 (void)psz_cmd; (void)oldval; (void)p_data;
1687 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1688 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1689 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1694 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1696 input_thread_t *p_input;
1697 mtime_t i_now, i_stop;
1699 if( !config_GetInt( p_vout, "osd" ) ) return;
1701 p_input = (input_thread_t *)vlc_object_find( p_vout,
1702 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1706 i_stop = i_now + (mtime_t)(p_vout->p->i_title_timeout * 1000);
1707 char *psz_nowplaying =
1708 input_item_GetNowPlaying( input_GetItem( p_input ) );
1709 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1710 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1711 if( EMPTY_STR( psz_name ) )
1714 psz_name = input_item_GetName( input_GetItem( p_input ) );
1716 if( !EMPTY_STR( psz_nowplaying ) )
1718 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1719 psz_nowplaying, NULL,
1720 p_vout->p->i_title_position,
1721 30 + p_vout->fmt_in.i_width
1722 - p_vout->fmt_in.i_visible_width
1723 - p_vout->fmt_in.i_x_offset,
1724 20 + p_vout->fmt_in.i_y_offset,
1727 else if( !EMPTY_STR( psz_artist ) )
1729 char *psz_string = NULL;
1730 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1732 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1734 p_vout->p->i_title_position,
1735 30 + p_vout->fmt_in.i_width
1736 - p_vout->fmt_in.i_visible_width
1737 - p_vout->fmt_in.i_x_offset,
1738 20 + p_vout->fmt_in.i_y_offset,
1745 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1747 p_vout->p->i_title_position,
1748 30 + p_vout->fmt_in.i_width
1749 - p_vout->fmt_in.i_visible_width
1750 - p_vout->fmt_in.i_x_offset,
1751 20 + p_vout->fmt_in.i_y_offset,
1754 vlc_object_release( p_input );
1757 free( psz_nowplaying );